Re: fourcc codes

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Tuukka Toivonen <tuukkat@xxxxxxxxxxxx> writes:

> 1.
> Is V4L2_PIX_FMT_HI240 same format as VIDEO_PALETTE_HI240?
> (sounds like stupid question, but it's stated nowhere and i don't want to
> guess. And if it is, why doesn't v4l_compat.c know it?)

Yes, it is the same.  But nearly nobody actually uses that.  Feel free
to mail patches against v4l1-compat.c (latest version is in 2.5.x
kernels or http://bytesex.org/patches 2.4.x kernel patches).

> 2.
> Are V4L2_PIX_FMT_RGB555X and V4L2_PIX_FMT_RGB565X exactly same as
> V4L2_PIX_FMT_RGB555 and V4L2_PIX_FMT_RGB565 but the bits in the 16-bit
> words reversed wordwise (or bytewise)?

The X versions are just byte swapped.

> 3.
> Is V4L2_PIX_FMT_NV12 and NV21 same as M$ fourcc 'NV12':

IIRC yes.

> 4.
> Is there M$ fourcc code for V4L2_PIX_FMT_WNVA?

Don't know.

  Gerd

-- 
Weil die späten Diskussionen nicht mal mehr den Rotwein lohnen.
				-- Wacholder in "Melanie"





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